US20170070015A1 - Electrical plug connector - Google Patents
Electrical plug connector Download PDFInfo
- Publication number
- US20170070015A1 US20170070015A1 US15/259,716 US201615259716A US2017070015A1 US 20170070015 A1 US20170070015 A1 US 20170070015A1 US 201615259716 A US201615259716 A US 201615259716A US 2017070015 A1 US2017070015 A1 US 2017070015A1
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- US
- United States
- Prior art keywords
- terminals
- opening
- plug connector
- electrical plug
- insulated housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
- H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
- H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
- H01R13/6583—Shield structure with resilient means for engaging mating connector with separate conductive resilient members between mating shield members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
Definitions
- the instant disclosure relates to an electrical connector, and more particular to a USB electrical plug connector.
- USB Universal Serial Bus
- USB 3.1 faster serial bus interfaces such as USB 3.1, are developed, which may provide a higher transmission rate, e.g., 10 Gbs, so as to satisfy the need of a variety devices.
- the opening of the USB 3.1 connector is thin and small so as to be conformed with the specification of the product.
- the USB interfaces are widely utilized for the interfaces of high frequency, radiofrequency, wireless, or Bluetooth emitters. Because of the high transmission rate of the USB 3.1 interface, the performance of the product having the USB 3.1 interface can be affected by either external electromagnetic interferences or internal signal crosstalk between terminals. Shielding elements are provided for the connector to address these issues; nevertheless, the difficulties in both the manufacture and the assembly of the connector are increased due to a great number of the pieces the connector has.
- the connector needs to have some openings so that fixtures can insert into the openings for positioning the connector. Hence, the structural strength of the connector would be reduced and further the defect free rate of the connector is. Upon a connector is damaged, not only the motherboard has to be detached from the connector for replacement, but also the connector itself has to be replaced. Therefore, the cost for the repair of the connector is expensive.
- an embodiment of the instant disclosure provides an electrical plug connector.
- the electrical receptacle connector comprises an insulated housing, a plurality of first terminals, a plurality of second terminals, a shielding plate, and two side arms.
- the insulated housing comprises a first assembling surface, a second assembling surface, an insertion cavity, and an insertion opening.
- the first assembling surface comprises a first hot-melt region.
- the second assembling surface comprises a second hot-melt region.
- the insertion opening is on one of two end of the insulated housing.
- the insertion cavity is extending from an end of the insulated housing opposed to the insertion opening toward an interior of the insulated housing.
- the insertion cavity is between the first assembling surface and the second assembling surface.
- the first terminals are on an inner surface of the first assembling surface. A portion of each of the first terminals is in the first hot-melt region.
- the second terminals are on an inner surface of the second assembling surface. A portion of each of the second terminals is in the second hot-melt region.
- the shielding plate is in the insertion cavity and fixed with the insulated housing.
- the two side arms are respectively connected to two ends of the shielding plate and on two sides of the insertion cavity.
- Each of the side arms comprises an elastic buckling portion, and the two elastic buckling portions face each other. Accordingly, when the electrical plug connector is mated with an electrical receptacle connector, the elastic buckling portions of the side arms are in contact with the electrical receptacle connector.
- the shielding plate and the two side arms are integrally formed with each other to form a shielding connection plate.
- the first assembling surface comprises a first opening
- the second assembling surface comprises a second opening
- the shielding plate comprises a third opening.
- the first opening and the second opening correspond to the third opening.
- the first opening, the second opening, and the third opening are in communication with each other.
- the first terminals, the second terminals, the shielding plate, and the side arms are assembled with the insulated housing by inserting molding.
- the first opening, the second opening, and the third opening are sealed by plastic materials or glues during inserting molding.
- each of the first terminals comprises a first flexible contact portion and a first tail portion extending from one end of the first flexible contact portion
- each of the second terminals comprises a second flexible contact portion and a second tail portion extending from one end of the second flexible contact portion.
- the first tail portions and the second tail portions are protruding from the insulated housing.
- the shape of each of the first terminals is the same as the shape of each of the second terminals.
- the electrical plug connector further comprises an outer shell assembled out of the insulated housing.
- the electrical plug connector further comprises a first conductive sheet and a second conductive sheet respectively held on an upper portion of the insulated housing and a lower portion of the insulated housing for shielding the first terminals and the second terminals.
- the first conductive sheet comprises a first contact portion
- the second conductive sheet comprises a second contact portion
- the first contact portion and the second contact portion are respectively in contact with the outer shell to form a grounding loop.
- the electrical plug connector further comprises two soldering legs respectively connected to the side arms.
- Each of the soldering legs is extending from the corresponding side arm along a direction away from the shielding plate and protruding from the insulated housing.
- each of the soldering legs comprises a contact bump in contact with the outer shell.
- first assembling surface and the second assembling surface further comprise a plurality of protrusions thereon, and a plurality of grooves is defined between the protrusions for positioning the first terminals and the second terminals, respectively.
- the elastic buckling portion of each of the side arms is a wavy shaped structure, and the wavy shaped structures of the two side arms have mirror symmetry and correspond to each other.
- the elastic buckling portion of each of the side arms comprises a protruding portion having an inclined surface.
- the two inclined surfaces of the two side arms form an inverse V shape with respect to an insertion direction of the insertion opening for guiding an electrical receptacle connector to be mated with the electrical plug connector properly when the electrical receptacle connector is mated with the electrical plug connector.
- the shielding plate and the side arms can be assembled with the insertion cavity of the insulated housing. Therefore, the structure of the connector can be simplified, the structural strength of the connector can be improved, the complexity in manufacture and assembly can be reduced, and the defect-free rate of the connector can be improved. Furthermore, the connector can perform great electromagnetic shielding performance, and the electromagnetic interference and the signal crosstalk between terminals can be reduced even when the connector is provided for high frequency transmission.
- FIG. 1 illustrates a perspective view of an electrical plug connector according to an exemplary embodiment of the instant disclosure
- FIG. 2 illustrates an exploded view of the electrical plug connector
- FIG. 3 illustrates a detailed exploded view of the electrical plug connector before the assembly
- FIG. 4 illustrates a sectional view of the electrical plug connector
- FIG. 5 illustrates a schematic view of one embodiment of side arms of the electrical plug connector
- FIG. 6 illustrates an assembled schematic view of one embodiment of the electrical plug connector
- FIG. 7 illustrates a schematic view of another embodiment of the side arms of the electrical plug connector.
- FIG. 8 illustrates an assembled schematic view of another embodiment of the electrical plug connector.
- FIGS. 1 to 4 illustrate an electrical plug connector 1 of an exemplary embodiment of the instant disclosure.
- FIG. 1 illustrates a perspective view of the electrical plug connector 1 .
- FIG. 2 illustrates an exploded view of the electrical plug connector 1 .
- FIG. 3 illustrates a detailed exploded view of the electrical plug connector 1 before the assembly.
- FIG. 4 illustrates a sectional view of the electrical plug connector 1 .
- an embodiment of the electrical plug connector 1 comprises an insulated housing 10 , a plurality of first terminals 20 , a plurality of second terminals 30 , a shielding plate 41 , and two side arms 43 .
- the shielding plate 41 and the two side arms 43 may be integrally formed with each other to be a shielding connection plate 40 in which a bridge portion 431 is connected between the shielding plate 41 and each of the two side arms 43 .
- the insulated housing 10 comprises a first assembling surface 11 , a second assembling surface 13 , an insertion cavity 15 , and an insertion opening 17 .
- the first assembling surface 11 is opposite to the second assembling surface 13 .
- the first assembling surface 11 comprises a first hot-melt region 111 .
- the second assembling surface 13 comprises a second hot-melt region 131 .
- the insertion opening 17 is on one of two ends of the insulated housing 10 .
- the first assembling surface 11 , the second assembling surface 13 , and lateral surfaces of the insulated housing 10 define an insertion space S.
- the insertion space S is extending from the insertion opening 17 toward an interior of the insulated housing 10
- the insertion cavity 15 is extending from the other end of the insulated housing 10 toward the interior of the insulated housing 10 .
- the insertion cavity 15 is between the first assembling surface 11 and the second assembling surface 13 .
- the cross sectional area of the insertion cavity 15 is less than the cross sectional area of the insertion opening 17 .
- the insertion cavity 15 is extending to the two lateral surfaces of the insulated housing 10 and in communication with the insertion space S.
- each of the first terminals 20 comprises a first flexible contact portion 21 and a first tail portion 23 extending from one end of the first flexible contact portion 21 .
- the first assembling surface 11 comprises a plurality of protrusions 113 and a plurality of hot-melt blocks 121 corresponding to the protrusions 113 .
- Each of the hot-melt blocks 121 is disposed to one end of the corresponding protrusion 113 .
- a plurality of grooves 115 is defined between the protrusions 113 for positioning the first terminals 20 .
- the hot-melt blocks 121 are melt by heating to form the first hot-melt region 111 as shown in FIG. 2 .
- a portion of each of the first terminals 20 is in the first hot-melt region 111 and positioned by the first hot-melt region 111 .
- the first tail portions 13 are protruding from the insulated housing 10 .
- Each of the second terminals 20 comprises a second flexible contact portion 31 and a second tail portion 33 extending from one end of the second flexible contact portion 31 .
- the profile of the second terminal 30 may be the same as the profile of the first terminal 20 . Similar to the configuration of the first terminals 20 , the second terminals 30 are disposed on and positioned with an inner surface of the second assembling surface 13 , and the second terminals 13 are in a second hot-melt region 131 that is on the second assembling surface 13 .
- the second tail portions 33 are protruding from the insulated housing 10 , and the second tail portions 33 can be soldered with a circuit board by, e.g., SMT (surface mount technology), along with the first tail portions 23 .
- the shielding connection plate 40 is disposed in the insertion cavity 15 , so that the two side arms 43 are respectively located on two ends of the insertion cavity 15 .
- the first assembling surface 11 comprises a first opening 119
- the second assembling surface 13 comprises a second opening 139
- the shielding plate 41 comprises a third opening 415 .
- the first opening 119 , the second opening 139 , and the third opening 415 are in communication with each other.
- plastic materials or glues are delivered into the first opening 119 , the second opening 139 , and the third opening 415 , so that the shielding plate 41 is molded and positioned with the insulated housing 10 .
- the first terminals 20 and the second terminals 30 are molded and positioned with the insulated housing 10 to form an insertion module 2 as shown in FIG. 2 .
- the electrical plug connector 1 further comprises a first conductive sheet 50 , a second conductive sheet 60 , and an outer shell 70 .
- the first conductive sheet 50 and the second conductive sheet 60 are respectively held on an upper portion and a lower portion of the insulated housing 10 for shielding the first terminals 20 and the second terminals 30 .
- the outer shell 70 is assembled out of the insulated housing 10 for providing further shielding.
- the outer shell 70 is a unitary member without assembling. Therefore, the connector can have simplified structure and can be manufactured and assembled conveniently.
- the first conductive sheet 50 comprises a first contact portion 51
- the second conductive sheet 60 comprises a second contact portion 61 .
- the first contact portion 51 and the second contact portion 60 are respectively in contact with the outer shell 70 to form a grounding loop.
- the first conductive sheet 50 further comprises a plurality of first buckling pieces 53 , a first baffle groove 55 , a first engaging piece 57 , and a first extension portion 59 .
- the second conductive sheet 60 further comprises a plurality of second buckling pieces 63 , a second baffle groove 65 , a second engaging piece 67 , and a second extension portion 69 .
- the profile of the first conductive sheet 50 may be the same as that of the second conductive sheet 60 .
- the first buckling piece 53 and the second buckling piece 63 are for buckling with an electrical receptacle connector when the electrical plug connector 1 is mated with the electrical receptacle connector.
- the first baffle groove 55 and the second baffle groove 65 prevent the electrical receptacle connector from being impacted by the first conductive sheet 57 or the second conductive sheet 67 when the electrical plug connector 1 is mated with the electrical receptacle connector.
- the first engaging piece 57 and the second engaging piece 67 allow the first conductive sheet 50 and the second conductive sheet 60 to be assembled with the insulated housing 10 .
- the first engaging piece 57 and the second engaging piece 67 may be respectively assembled with the engaging holes 117 , 137 of the insulated housing 10 .
- the first extension portion 59 and the second extension portion 69 can be provided for soldering. Therefore, the first conductive sheet 50 and the second conductive sheet 60 can be soldered with the outer shell 70 by laser soldering.
- the two side arms 43 are connected to two ends of the shielding plate 41 and in the insertion cavity 15 .
- the side arms 43 are extending toward the insertion opening 17 for buckling with an electrical receptacle connector M when the electrical plug connector 1 is mated with the electrical receptacle connector M.
- the electrical plug connector 1 further comprises two soldering legs 47 .
- the two soldering legs 47 are respectively connected to the two side arms 43 .
- Each of the soldering legs 47 is extending from the corresponding side arm 43 along a direction away from the shielding plate 41 and protruding from the insulated housing 10 .
- the soldering legs 47 , the shielding plate 41 , and the side arms 43 may be integrally formed with each other.
- Each of the soldering legs 47 comprises a soldering portion 471 , and the soldering portion 471 may be angled with respect to an end portion of the corresponding soldering leg 47 for soldering with a circuit board.
- each of the soldering legs 47 further comprises a contact bump 473 .
- the contact bumps 473 are protruding outward and opposite to each other. After the outer shell 70 is assembled to the insulated housing 10 , the contact bumps 473 are in contact with the outer shell 70 and form a grounding loop therebetween. For example, the contact bumps 473 may be engaged with an engaging opening 71 of the outer shell 70 for positioning.
- FIG. 5 illustrates a schematic view of one embodiment of the side arms 43 of the electrical plug connector 1 .
- FIG. 6 illustrates an assembled schematic view of one embodiment of the electrical plug connector 1 .
- each of the side arms 43 comprises an elastic buckling portion 435 .
- the elastic buckling portions 435 face each other for positioning the electrical receptacle connector M.
- each of the elastic buckling portions 435 is a wavy shaped structure, and the wavy shaped structures have mirror symmetry.
- a first valley of a first wavy shaped structure correspond to a first valley of a second wavy shaped structure
- a first peak of the first wavy shaped structure correspond to a first peak of the second wavy shaped structure, and so on.
- the elastic buckling portions 435 buckle with the electrical receptacle connector M, so that the side arms 43 are deflected outward.
- portions of the elastic buckling portions 435 e.g., the peaks 435 a shown in FIG. 6
- portions of the elastic buckling portions 435 are suspended. Accordingly, the elasticity of the side arms 435 can be retained, and the side arms 43 would not be bent or have elastic fatigue when the electrical plug connector 1 is inserted into the electrical receptacle connector M by an excessive insertion force.
- FIG. 7 illustrates a schematic view of another embodiment of the side arms 43 ′ of the electrical plug connector 1 .
- FIG. 8 illustrates an assembled schematic view of another embodiment of the electrical plug connector 1 .
- the elastic buckling portion 435 ′ of the side arm 43 comprises a protruding portion 437 .
- the protruding portion 437 has an inclined surface 437 a.
- the two inclined surfaces 437 a of the two side arms 43 form an inverse V shape with respect to an insertion direction of the insertion opening 17 .
- the electrical receptacle connector M when the electrical receptacle connector M is mated with the electrical plug connector 1 , the electrical receptacle connector M can be guided by the two side arms 43 ′, so that the electrical receptacle connector M can be mated with the electrical plug connector 1 properly.
- the protruding portions 437 buckle the electrical receptacle connector M, so that the side arms 43 ′ are deflected outward, and portions of the side arms 43 ′ are in contact with the inner wall of the outer shell 70 to form a grounding loop.
- the side arms 43 ′ further comprise a recess 439 near to a connecting portion between the side arm 43 ′ and the bridge portion 431 ′, and the recess 439 is located on the outer side of the side arms 43 ′. Therefore, when the electrical plug connector 1 is mated with an electrical receptacle connector M, portions of the elastic buckling portions 435 ′ are suspended, so that the elasticity of the side arms 43 ′ can be retained.
- the shielding plate and the side arms can be assembled with the insertion cavity of the insulated housing. Therefore, the structure of the connector can be simplified, the structural strength of the connector can be improved, the complexity in manufacture and assembly can be reduced, and the defect-free rate of the connector can be improved. Moreover, conventional terminals may be utilized in the connector, therefore, the cost of the mold for the terminals can be saved, and the manufacture cost of the connector can be reduced as well. Furthermore, the connector can perform great electromagnetic shielding performance, and the electromagnetic interference and the signal crosstalk between terminals can be reduced even when the connector is provided for high frequency transmission.
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
An electrical plug connector includes an insulated housing, first terminals, second terminals, a shielding plate, and two side arms. The insulated housing includes first and second assembling surfaces, an insertion cavity, and an insertion opening. The first and the assembling surfaces respectively include first and second hot-melt regions. The insertion cavity is extending from the end of the insulated housing opposite to the insertion opening toward an interior of the insulated housing. The insertion cavity is between the first and the second assembling surfaces. A portion of each of the first terminals and a portion of each of the second terminals are respectively in the first and the second hot-melt regions. The shielding plate is in the insertion cavity and fixed with the insulated housing. The side arms are respectively connected to two ends of the shielding plate and on two sides of the insertion cavity.
Description
- This non-provisional application claims priority under 35 U.S.C. §119(a) on Patent Application No. 201510568794.6 filed in China, P.R.C. on Sep. 9, 2015, the entire contents of which are hereby incorporated by reference.
- The instant disclosure relates to an electrical connector, and more particular to a USB electrical plug connector.
- Generally, Universal Serial Bus (USB) is a serial bus standard to the PC architecture with a focus on computer interface, consumer and productivity applications. The existing Universal Serial Bus (USB) interconnects have the attributes of plug-and-play and ease of use by end users. Now, as technology innovation marches forward, new kinds of devices, media formats and large inexpensive storage are converging. They require significantly more bus bandwidth to maintain the interactive experience that users have come to expect. In addition, the demand of a higher performance between the PC and the sophisticated peripheral is increasing. The transmission rate of USB 2.0 is insufficient. As a consequence, faster serial bus interfaces such as USB 3.1, are developed, which may provide a higher transmission rate, e.g., 10 Gbs, so as to satisfy the need of a variety devices.
- The opening of the USB 3.1 connector is thin and small so as to be conformed with the specification of the product. Commonly, the USB interfaces are widely utilized for the interfaces of high frequency, radiofrequency, wireless, or Bluetooth emitters. Because of the high transmission rate of the USB 3.1 interface, the performance of the product having the USB 3.1 interface can be affected by either external electromagnetic interferences or internal signal crosstalk between terminals. Shielding elements are provided for the connector to address these issues; nevertheless, the difficulties in both the manufacture and the assembly of the connector are increased due to a great number of the pieces the connector has. In addition, the connector needs to have some openings so that fixtures can insert into the openings for positioning the connector. Hence, the structural strength of the connector would be reduced and further the defect free rate of the connector is. Upon a connector is damaged, not only the motherboard has to be detached from the connector for replacement, but also the connector itself has to be replaced. Therefore, the cost for the repair of the connector is expensive.
- Therefore, how to provide a plug connector having increased structural strength and shielding performance and having simplified structure, reduced manufacturing steps, reduced complexity in assembly, and improved defect-free rate is an issue.
- In view of this, an embodiment of the instant disclosure provides an electrical plug connector. The electrical receptacle connector comprises an insulated housing, a plurality of first terminals, a plurality of second terminals, a shielding plate, and two side arms. The insulated housing comprises a first assembling surface, a second assembling surface, an insertion cavity, and an insertion opening. The first assembling surface comprises a first hot-melt region. The second assembling surface comprises a second hot-melt region. The insertion opening is on one of two end of the insulated housing. The insertion cavity is extending from an end of the insulated housing opposed to the insertion opening toward an interior of the insulated housing. The insertion cavity is between the first assembling surface and the second assembling surface. The first terminals are on an inner surface of the first assembling surface. A portion of each of the first terminals is in the first hot-melt region. The second terminals are on an inner surface of the second assembling surface. A portion of each of the second terminals is in the second hot-melt region. The shielding plate is in the insertion cavity and fixed with the insulated housing. The two side arms are respectively connected to two ends of the shielding plate and on two sides of the insertion cavity. Each of the side arms comprises an elastic buckling portion, and the two elastic buckling portions face each other. Accordingly, when the electrical plug connector is mated with an electrical receptacle connector, the elastic buckling portions of the side arms are in contact with the electrical receptacle connector.
- In one embodiment, the shielding plate and the two side arms are integrally formed with each other to form a shielding connection plate.
- In one embodiment, the first assembling surface comprises a first opening, the second assembling surface comprises a second opening, and the shielding plate comprises a third opening. The first opening and the second opening correspond to the third opening. The first opening, the second opening, and the third opening are in communication with each other. In one embodiment, the first terminals, the second terminals, the shielding plate, and the side arms are assembled with the insulated housing by inserting molding. The first opening, the second opening, and the third opening are sealed by plastic materials or glues during inserting molding.
- In one embodiment, each of the first terminals comprises a first flexible contact portion and a first tail portion extending from one end of the first flexible contact portion, and each of the second terminals comprises a second flexible contact portion and a second tail portion extending from one end of the second flexible contact portion. The first tail portions and the second tail portions are protruding from the insulated housing. Furthermore, the shape of each of the first terminals is the same as the shape of each of the second terminals.
- In one embodiment, the electrical plug connector further comprises an outer shell assembled out of the insulated housing.
- In one embodiment, the electrical plug connector further comprises a first conductive sheet and a second conductive sheet respectively held on an upper portion of the insulated housing and a lower portion of the insulated housing for shielding the first terminals and the second terminals. The first conductive sheet comprises a first contact portion, the second conductive sheet comprises a second contact portion, and the first contact portion and the second contact portion are respectively in contact with the outer shell to form a grounding loop.
- In one embodiment, the electrical plug connector further comprises two soldering legs respectively connected to the side arms. Each of the soldering legs is extending from the corresponding side arm along a direction away from the shielding plate and protruding from the insulated housing. Moreover, each of the soldering legs comprises a contact bump in contact with the outer shell.
- In one embodiment, the first assembling surface and the second assembling surface further comprise a plurality of protrusions thereon, and a plurality of grooves is defined between the protrusions for positioning the first terminals and the second terminals, respectively.
- In one embodiment, the elastic buckling portion of each of the side arms is a wavy shaped structure, and the wavy shaped structures of the two side arms have mirror symmetry and correspond to each other. When the electrical plug connector is mated with an electrical receptacle connector, parts of the wavy shaped structure are suspended to provide a spring force for the mating connector. Accordingly, the mating connector can be firmly mated with the electrical plug connector.
- In one embodiment, the elastic buckling portion of each of the side arms comprises a protruding portion having an inclined surface. The two inclined surfaces of the two side arms form an inverse V shape with respect to an insertion direction of the insertion opening for guiding an electrical receptacle connector to be mated with the electrical plug connector properly when the electrical receptacle connector is mated with the electrical plug connector.
- Based on the above, the shielding plate and the side arms can be assembled with the insertion cavity of the insulated housing. Therefore, the structure of the connector can be simplified, the structural strength of the connector can be improved, the complexity in manufacture and assembly can be reduced, and the defect-free rate of the connector can be improved. Furthermore, the connector can perform great electromagnetic shielding performance, and the electromagnetic interference and the signal crosstalk between terminals can be reduced even when the connector is provided for high frequency transmission.
- Detailed description of the characteristics and the advantages of the instant disclosure are shown in the following embodiments. The technical content and the implementation of the instant disclosure should be readily apparent to any person skilled in the art from the detailed description, and the purposes and the advantages of the instant disclosure should be readily understood by any person skilled in the art with reference to content, claims, and drawings in the instant disclosure.
- The instant disclosure will become more fully understood from the detailed description given herein below for illustration only, and thus not limitative of the instant disclosure, wherein:
-
FIG. 1 illustrates a perspective view of an electrical plug connector according to an exemplary embodiment of the instant disclosure; -
FIG. 2 illustrates an exploded view of the electrical plug connector; -
FIG. 3 illustrates a detailed exploded view of the electrical plug connector before the assembly; -
FIG. 4 illustrates a sectional view of the electrical plug connector; -
FIG. 5 illustrates a schematic view of one embodiment of side arms of the electrical plug connector; -
FIG. 6 illustrates an assembled schematic view of one embodiment of the electrical plug connector; -
FIG. 7 illustrates a schematic view of another embodiment of the side arms of the electrical plug connector; and -
FIG. 8 illustrates an assembled schematic view of another embodiment of the electrical plug connector. - Please refer to
FIGS. 1 to 4 , which illustrate an electrical plug connector 1 of an exemplary embodiment of the instant disclosure.FIG. 1 illustrates a perspective view of the electrical plug connector 1.FIG. 2 illustrates an exploded view of the electrical plug connector 1.FIG. 3 illustrates a detailed exploded view of the electrical plug connector 1 before the assembly.FIG. 4 illustrates a sectional view of the electrical plug connector 1. As shown inFIGS. 1 to 4 , an embodiment of the electrical plug connector 1 comprises aninsulated housing 10, a plurality offirst terminals 20, a plurality ofsecond terminals 30, a shieldingplate 41, and twoside arms 43. The shieldingplate 41 and the twoside arms 43 may be integrally formed with each other to be a shieldingconnection plate 40 in which abridge portion 431 is connected between the shieldingplate 41 and each of the twoside arms 43. - The
insulated housing 10 comprises afirst assembling surface 11, asecond assembling surface 13, aninsertion cavity 15, and aninsertion opening 17. Thefirst assembling surface 11 is opposite to thesecond assembling surface 13. Thefirst assembling surface 11 comprises a first hot-melt region 111. Thesecond assembling surface 13 comprises a second hot-melt region 131. Theinsertion opening 17 is on one of two ends of theinsulated housing 10. Thefirst assembling surface 11, thesecond assembling surface 13, and lateral surfaces of theinsulated housing 10 define an insertion space S. The insertion space S is extending from theinsertion opening 17 toward an interior of theinsulated housing 10, and theinsertion cavity 15 is extending from the other end of theinsulated housing 10 toward the interior of theinsulated housing 10. Theinsertion cavity 15 is between the first assemblingsurface 11 and thesecond assembling surface 13. The cross sectional area of theinsertion cavity 15 is less than the cross sectional area of theinsertion opening 17. Furthermore, theinsertion cavity 15 is extending to the two lateral surfaces of theinsulated housing 10 and in communication with the insertion space S. - As shown in
FIG. 3 , each of thefirst terminals 20 comprises a firstflexible contact portion 21 and afirst tail portion 23 extending from one end of the firstflexible contact portion 21. Thefirst assembling surface 11 comprises a plurality ofprotrusions 113 and a plurality of hot-melt blocks 121 corresponding to theprotrusions 113. Each of the hot-melt blocks 121 is disposed to one end of thecorresponding protrusion 113. A plurality ofgrooves 115 is defined between theprotrusions 113 for positioning thefirst terminals 20. When thefirst terminals 20 are disposed on an inner surface of the first assemblingsurface 11, the hot-melt blocks 121 are melt by heating to form the first hot-melt region 111 as shown inFIG. 2 . A portion of each of thefirst terminals 20 is in the first hot-melt region 111 and positioned by the first hot-melt region 111. Thefirst tail portions 13 are protruding from the insulatedhousing 10. - Each of the
second terminals 20 comprises a secondflexible contact portion 31 and asecond tail portion 33 extending from one end of the secondflexible contact portion 31. The profile of thesecond terminal 30 may be the same as the profile of thefirst terminal 20. Similar to the configuration of thefirst terminals 20, thesecond terminals 30 are disposed on and positioned with an inner surface of thesecond assembling surface 13, and thesecond terminals 13 are in a second hot-melt region 131 that is on thesecond assembling surface 13. Thesecond tail portions 33 are protruding from the insulatedhousing 10, and thesecond tail portions 33 can be soldered with a circuit board by, e.g., SMT (surface mount technology), along with thefirst tail portions 23. - After the
first terminals 20 are disposed to the first assemblingsurface 11 and thesecond terminals 30 are disposed to thesecond assembling surface 13, the shieldingconnection plate 40 is disposed in theinsertion cavity 15, so that the twoside arms 43 are respectively located on two ends of theinsertion cavity 15. Before the assembly, the first assemblingsurface 11 comprises afirst opening 119, thesecond assembling surface 13 comprises asecond opening 139, and the shieldingplate 41 comprises athird opening 415. After the assembly, thefirst opening 119, thesecond opening 139, and thethird opening 415 are in communication with each other. During the inserting molding procedure, plastic materials or glues are delivered into thefirst opening 119, thesecond opening 139, and thethird opening 415, so that the shieldingplate 41 is molded and positioned with theinsulated housing 10. In addition, thefirst terminals 20 and thesecond terminals 30 are molded and positioned with theinsulated housing 10 to form an insertion module 2 as shown inFIG. 2 . - Moreover, as shown in
FIGS. 2 to 4 , the electrical plug connector 1 further comprises a firstconductive sheet 50, a secondconductive sheet 60, and anouter shell 70. The firstconductive sheet 50 and the secondconductive sheet 60 are respectively held on an upper portion and a lower portion of theinsulated housing 10 for shielding thefirst terminals 20 and thesecond terminals 30. Theouter shell 70 is assembled out of theinsulated housing 10 for providing further shielding. In addition, theouter shell 70 is a unitary member without assembling. Therefore, the connector can have simplified structure and can be manufactured and assembled conveniently. - In addition, the first
conductive sheet 50 comprises afirst contact portion 51, and the secondconductive sheet 60 comprises asecond contact portion 61. Thefirst contact portion 51 and thesecond contact portion 60 are respectively in contact with theouter shell 70 to form a grounding loop. The firstconductive sheet 50 further comprises a plurality of first bucklingpieces 53, afirst baffle groove 55, a firstengaging piece 57, and afirst extension portion 59. The secondconductive sheet 60 further comprises a plurality of second bucklingpieces 63, asecond baffle groove 65, a secondengaging piece 67, and asecond extension portion 69. The profile of the firstconductive sheet 50 may be the same as that of the secondconductive sheet 60. The first bucklingpiece 53 and the second bucklingpiece 63 are for buckling with an electrical receptacle connector when the electrical plug connector 1 is mated with the electrical receptacle connector. Thefirst baffle groove 55 and thesecond baffle groove 65 prevent the electrical receptacle connector from being impacted by the firstconductive sheet 57 or the secondconductive sheet 67 when the electrical plug connector 1 is mated with the electrical receptacle connector. The firstengaging piece 57 and the secondengaging piece 67 allow the firstconductive sheet 50 and the secondconductive sheet 60 to be assembled with theinsulated housing 10. For example, the first engagingpiece 57 and the secondengaging piece 67 may be respectively assembled with the engagingholes insulated housing 10. After the firstconductive sheet 50 and the secondconductive sheet 60 are assembled on theinsulated housing 10, thefirst extension portion 59 and thesecond extension portion 69 can be provided for soldering. Therefore, the firstconductive sheet 50 and the secondconductive sheet 60 can be soldered with theouter shell 70 by laser soldering. - The two
side arms 43 are connected to two ends of the shieldingplate 41 and in theinsertion cavity 15. Theside arms 43 are extending toward theinsertion opening 17 for buckling with an electrical receptacle connector M when the electrical plug connector 1 is mated with the electrical receptacle connector M. - Furthermore, the electrical plug connector 1 further comprises two
soldering legs 47. The twosoldering legs 47 are respectively connected to the twoside arms 43. Each of thesoldering legs 47 is extending from thecorresponding side arm 43 along a direction away from the shieldingplate 41 and protruding from the insulatedhousing 10. Thesoldering legs 47, the shieldingplate 41, and theside arms 43 may be integrally formed with each other. Each of thesoldering legs 47 comprises asoldering portion 471, and thesoldering portion 471 may be angled with respect to an end portion of thecorresponding soldering leg 47 for soldering with a circuit board. Moreover, each of thesoldering legs 47 further comprises acontact bump 473. The contact bumps 473 are protruding outward and opposite to each other. After theouter shell 70 is assembled to theinsulated housing 10, the contact bumps 473 are in contact with theouter shell 70 and form a grounding loop therebetween. For example, the contact bumps 473 may be engaged with an engagingopening 71 of theouter shell 70 for positioning. - Please refer to
FIGS. 5 and 6 .FIG. 5 illustrates a schematic view of one embodiment of theside arms 43 of the electrical plug connector 1.FIG. 6 illustrates an assembled schematic view of one embodiment of the electrical plug connector 1. As shown inFIG. 5 , each of theside arms 43 comprises an elastic bucklingportion 435. The elastic bucklingportions 435 face each other for positioning the electrical receptacle connector M. In this embodiment, each of the elastic bucklingportions 435 is a wavy shaped structure, and the wavy shaped structures have mirror symmetry. In other words, a first valley of a first wavy shaped structure correspond to a first valley of a second wavy shaped structure, a first peak of the first wavy shaped structure correspond to a first peak of the second wavy shaped structure, and so on. - As shown in
FIG. 6 , when the electrical plug connector 1 is mated with an electrical receptacle connector M, the elastic bucklingportions 435 buckle with the electrical receptacle connector M, so that theside arms 43 are deflected outward. In addition, portions of the elastic buckling portions 435 (e.g., thepeaks 435 a shown inFIG. 6 ) are in contact with an inner wall of theouter shell 70 to form a grounding loop; on the other hand, portions of the elastic buckling portions 435 (e.g., thevalleys 435 b shown inFIG. 6 ) are suspended. Accordingly, the elasticity of theside arms 435 can be retained, and theside arms 43 would not be bent or have elastic fatigue when the electrical plug connector 1 is inserted into the electrical receptacle connector M by an excessive insertion force. - Please refer to
FIGS. 7 and 8 .FIG. 7 illustrates a schematic view of another embodiment of theside arms 43′ of the electrical plug connector 1.FIG. 8 illustrates an assembled schematic view of another embodiment of the electrical plug connector 1. As shown inFIG. 7 , in another embodiment, the elastic bucklingportion 435′ of theside arm 43 comprises a protrudingportion 437. The protrudingportion 437 has aninclined surface 437 a. The twoinclined surfaces 437 a of the twoside arms 43 form an inverse V shape with respect to an insertion direction of theinsertion opening 17. Therefore, when the electrical receptacle connector M is mated with the electrical plug connector 1, the electrical receptacle connector M can be guided by the twoside arms 43′, so that the electrical receptacle connector M can be mated with the electrical plug connector 1 properly. As shown inFIG. 8 , when the electrical plug connector 1 is mated with an electrical receptacle connector M, the protrudingportions 437 buckle the electrical receptacle connector M, so that theside arms 43′ are deflected outward, and portions of theside arms 43′ are in contact with the inner wall of theouter shell 70 to form a grounding loop. Furthermore, theside arms 43′ further comprise arecess 439 near to a connecting portion between theside arm 43′ and thebridge portion 431′, and therecess 439 is located on the outer side of theside arms 43′. Therefore, when the electrical plug connector 1 is mated with an electrical receptacle connector M, portions of the elastic bucklingportions 435′ are suspended, so that the elasticity of theside arms 43′ can be retained. - Based on the above, the shielding plate and the side arms can be assembled with the insertion cavity of the insulated housing. Therefore, the structure of the connector can be simplified, the structural strength of the connector can be improved, the complexity in manufacture and assembly can be reduced, and the defect-free rate of the connector can be improved. Moreover, conventional terminals may be utilized in the connector, therefore, the cost of the mold for the terminals can be saved, and the manufacture cost of the connector can be reduced as well. Furthermore, the connector can perform great electromagnetic shielding performance, and the electromagnetic interference and the signal crosstalk between terminals can be reduced even when the connector is provided for high frequency transmission.
- While the instant disclosure has been described by the way of example and in terms of the preferred embodiments, it is to be understood that the invention need not be limited to the disclosed embodiments. On the contrary, it is intended to cover various modifications and similar arrangements included within the spirit and scope of the appended claims, the scope of which should be accorded the broadest interpretation so as to encompass all such modifications and similar structures.
Claims (12)
1. An electrical plug connector, comprising:
an insulated housing, comprising a first assembling surface, a second assembling surface, an insertion cavity, and an insertion opening, wherein the first assembling surface comprises a first hot-melt region, the second assembling surface comprises a second hot-melt region, the insertion opening is on one of two ends of the insulated housing, the insertion cavity is extending from an end of the insulated housing opposed to the insertion opening toward an interior of the insulated housing, and the insertion cavity is between the first assembling surface and the second assembling surface;
a plurality of first terminals on an inner surface of the first assembling surface, wherein a portion of each of the first terminals is in the first hot-melt region;
a plurality of second terminals on an inner surface of the second assembling surface, wherein a portion of each of the second terminals is in the second hot-melt region;
a shielding plate in the insertion cavity and fixed with the insulated housing; and
two side arms respectively connected to two ends of the shielding plate and on two sides of the insertion cavity, wherein each of the side arms comprises an elastic buckling portion, and the two elastic buckling portions face each other.
2. The electrical plug connector according to claim 1 , wherein the shielding plate and the two side arms are integrally formed with each other.
3. The electrical plug connector according to claim 1 , wherein the first assembling surface comprises a first opening, the second assembling surface comprises a second opening, the shielding plate comprises a third opening, the first opening and the second opening correspond to the third opening, wherein the first opening, the second opening, and the third opening are in communication with each other.
4. The electrical plug connector according to claim 3 , wherein the first terminals, the second terminals, the shielding plate, and the side arms are assembled with the insulated housing by inserting molding, and the first opening, the second opening, and the third opening are sealed during the inserting molding.
5. The electrical plug connector according to claim 1 , wherein each of the first terminals comprises a first flexible contact portion and a first tail portion extending from one end of the first flexible contact portion, wherein each of the second terminals comprises a second flexible contact portion and second tail portion extending from one end of the second flexible contact portion, and wherein the first tail portions and the second tail portions are protruding from the insulated housing.
6. The electrical plug connector according to claim 1 , further comprising an outer shell, assembled out of the insulated housing.
7. The electrical plug connector according to claim 6 , further comprising a first conductive sheet and a second conductive sheet respectively held on an upper portion of the insulated housing and a lower portion of the insulated housing, wherein the first conductive sheet and the second conductive sheet are for shielding the first terminals and the second terminals, and wherein the first conductive sheet comprises a first contact portion thereon, the second conductive sheet comprises a second contact portion thereon, and the first contact portion and the second contact portion are respectively in contact with the outer shell.
8. The electrical plug connector according to claim 6 , further comprising two soldering legs respectively connected to the side arms, wherein each of the soldering legs is extending from the corresponding side arm along a direction away from the shielding plate and protruding from the insulated housing.
9. The electrical plug connector according to clam 8, wherein each of the soldering legs comprises a contact bump in contact with the outer shell.
10. The electrical plug connector according to claim 1 , wherein the first assembling surface and the second assembling surface further comprise a plurality of protrusions thereon, a plurality of grooves is defined between the protrusions for positioning the first terminals and the second terminals, respectively.
11. The electrical plug connector according to claim 1 , wherein the elastic buckling portion of each of the side arms is a wavy shaped structure, and the wavy shaped structures of the two side arms have mirror symmetry and correspond to each other.
12. The electrical plug connector according to claim 1 , wherein the elastic buckling portion of each of the side arms comprises a protruding portion, the protruding portion has an inclined surface, and the two inclined surfaces of the two side arms form an inverse V shape with respect to an insertion direction of the insertion opening.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510568794.6A CN105119087A (en) | 2015-09-09 | 2015-09-09 | Plug electric connector |
CN201510568794.6 | 2015-09-09 | ||
CN201510568794 | 2015-09-09 |
Publications (2)
Publication Number | Publication Date |
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US20170070015A1 true US20170070015A1 (en) | 2017-03-09 |
US9966710B2 US9966710B2 (en) | 2018-05-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/259,716 Active US9966710B2 (en) | 2015-09-09 | 2016-09-08 | Electrical plug connector |
Country Status (3)
Country | Link |
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US (1) | US9966710B2 (en) |
CN (1) | CN105119087A (en) |
TW (1) | TWM540408U (en) |
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US20170149164A1 (en) * | 2014-06-03 | 2017-05-25 | Japan Aviation Electronics Industry, Limited | Connector |
US9728898B1 (en) | 2016-02-01 | 2017-08-08 | Microsoft Technology Licensing, Llc | Conductive shell for a cable assembly |
USD808341S1 (en) * | 2016-03-14 | 2018-01-23 | Japan Aviation Electronics Industry, Limited | Electrical connector |
CN112018546A (en) * | 2019-05-29 | 2020-12-01 | 上海莫仕连接器有限公司 | Socket connector and connector combination |
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CN107706610A (en) * | 2017-01-20 | 2018-02-16 | 深圳市得润电子股份有限公司 | Electric connector and its manufacture method |
CN107046206B (en) * | 2017-01-23 | 2021-07-20 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
CN108631124A (en) * | 2017-03-21 | 2018-10-09 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
CN109818231B (en) * | 2017-11-20 | 2020-06-16 | 光宝电子(广州)有限公司 | Clamping jig for plug electrode |
CN110970763B (en) * | 2018-09-28 | 2021-08-20 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
CN214478080U (en) * | 2021-01-29 | 2021-10-22 | 立讯精密工业股份有限公司 | Electrical connector |
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Also Published As
Publication number | Publication date |
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CN105119087A (en) | 2015-12-02 |
US9966710B2 (en) | 2018-05-08 |
TWM540408U (en) | 2017-04-21 |
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